举一反三
- The steel tubes can be filled with concrete to convert the system into a composite structure and capable of bearing the service load.
- Once you can have your tension under control, you can expect better performance in interpreting.
- 11 concrete/metal railings ____
- advanced composites ( ) aggregate composite ( ) anisotropic ( ) carbon–carbon composite ( )ceramic–matrix composite ( )cermet ( ) continuous fiber ( ) discrete (chopped) fiber ( ) E- glass ( ) fiberglass ( ) fiber- reinforced composite ( ) hybrid ( ) interfacial strength ( ) isostrain ( ) isostress ( ) laminate ( ) matrix ( ) metal–matrix composite ( ) particulate composite ( ) polymer–matrix composite ( ) property averaging ( ) specifc strength ( ) strength- to- weight ratio ( ) whisker ( ) woven fabric ( )dispersion-strengthened metal ( )
- A ductile metal becomes harder and stronger as it is subjected to cold working
内容
- 0
Suppose that both the cross-sectional area A and the length L of two straight rods are the same, and the axial tension forces P at both ends of the two are also the same. Only the materials of the two rods are different. Which statement about the stress σ and the elongation ΔL of the two rods is right?__________
- 1
Rewrite the following sentences with the proper words of conversion.The data can be made into groups under 3 heads.
- 2
For fabrication of fiber reinforced composite, in which one weak<br/>interface is desired to ensure the composite possess high toughness.(<br/>) A: Carbon fiber reinforced titanium. B: Carbon fiber reinforced carbon composite. C: Glass fiber reinforced polymer.
- 3
Reinforced concrete beams work with cracks under normal load.
- 4
Reinforced Cement Concrete is made by __________ , in order to create __________ in concrete.